/Engine/Source/Runtime/MovieScene/Public/Evaluation/MovieScenePropertyTemplate.h
Ensure that an actutor for this property type exists
template<typename PropertyType> [FMovieSceneBlendingActuatorID](API\Runtime\MovieScene\Evaluation\Blending\FMovieSceneBlendingActuatorID) EnsureActuator ( [FMovieSceneBlendingAccumulator](API\Runtime\MovieScene\Evaluation\Blending\FMovieSceneBlendingAccumulator) & Accumulator ) const